<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
	<META http-equiv="Content-Type" content="text/html; charset=utf-8" />
 </HEAD>
<body onLoad="document.forms.form.username.focus()">
<form name="form">
  用户名：<input type="text" style="color: gray;" value="用户名或邮箱" onclick="if(value==defaultValue)value=''" onblur="if(!value)value=defaultValue" onkeydown="if(value==defaultValue)value=''" size="25" name="username">
</form>
</body>
</HTML>
